Home / 50,114.31-75,105.86-20,497.47

Finding the Fourth Proportional to 50,114.31, 75,105.86 and 20,497.47

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Solution

The fourth proportional to 50,114.31, 75,105.86 and 20,497.47 is: 30,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,114.31 : 75,105.86 = 20,497.47 : x
  2. Step 2: Convert to fraction form
    50,114.31/75,105.86 = 20,497.47/x
  3. Step 3: Cross multiply
    50,114.31x = 75,105.86 × 20,497.47
  4. Step 4: Simplify right side
    50,114.31x = 1,539,480,009.69
  5. Step 5: Solve for x
    x = 1,539,480,009.69/50,114.31
  6. Step 6: Final answer
    x = 30,719.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.